Home / 331,520.67-497,277.34-198,438.08

Finding the Fourth Proportional to 331,520.67, 497,277.34 and 198,438.08

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Solution

The fourth proportional to 331,520.67, 497,277.34 and 198,438.08 is: 297,654.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,520.67 : 497,277.34 = 198,438.08 : x
  2. Step 2: Convert to fraction form
    331,520.67/497,277.34 = 198,438.08/x
  3. Step 3: Cross multiply
    331,520.67x = 497,277.34 × 198,438.08
  4. Step 4: Simplify right side
    331,520.67x = 98,678,760,577.11
  5. Step 5: Solve for x
    x = 98,678,760,577.11/331,520.67
  6. Step 6: Final answer
    x = 297,654.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.